CN112064510A - Cast-in-place decking assembled hangs mode structure - Google Patents
Cast-in-place decking assembled hangs mode structure Download PDFInfo
- Publication number
- CN112064510A CN112064510A CN202010935455.8A CN202010935455A CN112064510A CN 112064510 A CN112064510 A CN 112064510A CN 202010935455 A CN202010935455 A CN 202010935455A CN 112064510 A CN112064510 A CN 112064510A
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- cast
- bridge deck
- connecting piece
- hanging
- template
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- 238000009415 formwork Methods 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 230000011218 segmentation Effects 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 description 8
- 239000002023 wood Substances 0.000 description 5
- 238000005266 casting Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses an assembled suspended formwork structure of a cast-in-situ bridge deck, aiming at providing a suspended formwork structure which is simple and convenient to operate, good in stability and capable of being repeatedly used, comprising a supporting base fixedly connected to a box girder, the support base is detachably connected with a connecting piece, the connecting piece is provided with a hanging beam, the hanging beam is provided with at least two hanging rods, the support also comprises a template combination hung on the hanging rods, the template combination is positioned between adjacent box girders or at the overhanging ends of the box girders, the mould hanging structure not only can be suitable for an assembled mould hanging of a middle span bridge deck slab but also can be suitable for an assembled mould hanging of an overhanging end bridge deck slab, the supporting base can be welded on the steel box girders, the stable support can be conveniently and reliably provided, the connecting piece is detachably connected with the supporting base, the construction of convenient segmentation and directly pour the support base in the bridge floor layer after hanging the mould promptly, need not painstaking dismantlement.
Description
Technical Field
The invention relates to the technical field of hoisting and formwork supporting, in particular to an assembled type hoisting formwork structure for a cast-in-place bridge deck.
Background
At present, more and more viaducts are designed in a form of combining steel structure box girders with cast-in-place bridge decks, and hoisting and formwork supporting are needed for construction of the cast-in-place bridge decks between the steel structure box girders and at the end parts of the side span steel structure box girders. The traditional hoisting formwork supporting mode generally adopts a mode of a wood mould and a hanging rib, namely the wood mould is used as a bottom mould, square wood is used as a secondary ridge and a main ridge, and the square wood is fixed on a bridge deck slab through the hanging rib and welded as a stress structure. In the traditional hoisting formwork supporting mode, as the square timber is adopted as the secondary ridge and the main ridge, the bending strength is too small, so that the set distance is too small, the set quantity is more, the operation is complex, and the work efficiency is lower; in addition, hang muscle and decking reinforcing bar welding stability relatively poor to hanging the muscle and whole pouring in the decking, unable used repeatedly makes the phenomenon of taking place the running die easily among the concrete placement process.
Disclosure of Invention
The invention aims to solve the technical problem of providing an assembled type hanging die structure for a cast-in-place bridge deck slab, and provides a hanging die structure which is simple and convenient to operate, good in stability and capable of being repeatedly used.
The technical scheme includes that the cast-in-place bridge deck assembled suspended formwork structure comprises a supporting base fixedly connected to box girders, a connecting piece is detachably connected to the supporting base, a suspended girder is arranged on the connecting piece, at least two suspension rods are arranged on the suspended girder, and a formwork combination hung on the suspension rods is further included, and the formwork combination is located between adjacent box girders or at the overhanging end of the box girders.
Preferably, the hanger rod is sleeved with a sheath.
Preferably, the template combination include with the jib be connected main stupefied and along the inferior stupefied of a direction setting on main stupefied, inferior stupefied on be equipped with the bottom form board of case roof beam upper surface parallel and level.
Preferably, the secondary ridges arranged from head to tail are positioned at the connecting part of the bottom formworks and the box girder.
Preferably, the secondary ridges comprise square timber and C-shaped steel arranged on the periphery of the square timber.
Preferably, the connecting piece is detachably connected with the hanging beam.
Preferably, the joint of the support base and the connecting piece is provided with a reinforcing piece, and the reinforcing piece is detachably connected with a temporary template.
Preferably, the connecting piece is detachably connected or hinged with a temporary template.
After adopting the structure, compared with the prior art, the cast-in-place bridge deck assembled type hanging mould structure has the following advantages: the suspended formwork structure not only can be suitable for the assembled suspended formwork of the middle span bridge deck slab and can be suitable for the assembled suspended formwork of the overhanging end bridge deck slab, and directly set up the supporting base to carry out fixed stay, the direct fixed connection of the supporting base is on the steel box girder, the structure is stable and reliable, the supporting base can be welded on the steel box girder, convenient and reliable can provide stable support, the connecting piece can be dismantled with the supporting base and be connected, the supporting base is directly poured in the bridge deck layer after the construction of convenient segmentation and suspended formwork finish promptly, the disassembling need not be painstaking, and except that the supporting base outer part can all be recycled and circulated for use, the reuse rate is greatly improved, the cost is reduced, the template combination can stably support the cast-in-.
Drawings
Fig. 1 is a schematic structural view of an assembled suspended form structure of a cast-in-place bridge deck slab of the present invention.
Fig. 2 is a schematic structural view of the assembled suspension form of the intermediate span bridge deck of the present invention.
Fig. 3 is a schematic structural view of an assembled suspension mould for an overhanging end bridge deck plate of the invention.
Fig. 4 is a first structural schematic diagram of the box girder and the bottom formwork of the invention.
Fig. 5 is a schematic view of the structure of the box girder and the bottom formwork of the invention.
Fig. 6 is a schematic view of the structure of the support base of the present invention engaged with a box girder.
Fig. 7 is a first schematic structural view of the support base, the connecting piece and the hanging beam of the invention.
Fig. 8 is a second schematic structural view of the support base, the connecting member and the hanging beam of the present invention.
Shown in the figure: 1. a box girder; 2. a support base; 3. a connecting member; 4. a boom; 41. a sheath; 5. combining templates; 51. main corrugation; 52. secondary corrugation; 521. square wood; 522. c-shaped steel; 53. a bottom template; 6. a hanging beam; 7. a temporary template; 8. and (5) casting the bridge deck in situ.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, 2 and 3, the cast-in-place bridge deck assembled suspended form structure of the present invention includes a supporting base 2 fixedly connected to a box girder 1, a connecting member 3 detachably connected to the supporting base 2, a suspended beam 6 provided on the connecting member 3, at least two suspension rods 4 provided on the suspended beam 6, a sheath 41 sleeved on the suspension rods 4 for facilitating separation of the suspension rods 4 from a cast-in-place bridge deck 8, and a form assembly 5 suspended on the suspension rods 4, wherein the form assembly 5 is located between adjacent box girders 1 or at an overhanging end of the box girder 1, in this embodiment, the cast-in-place bridge deck suspended form structure is provided at a middle bridge span section and at an overhanging end, the suspended form structure can be suitable for both the middle bridge deck assembled suspended form and the overhanging end bridge deck assembled suspended form, and is fixedly supported by directly providing the supporting base 2, support 2 lug weld of base on steel box girder 1, stable in structure is reliable, convenient and reliable provides stable support, connecting piece 3 can be dismantled with support base 2 and be connected, make things convenient for the segmentation construction promptly and directly will support base 2 and pour in the bridge floor layer after the hanging mould finishes, need not painstaking dismantlement, and remove and support 2 external parts of base and all can retrieve the circulation and use, the reuse rate is greatly improved, the cost is reduced, and hanging beam 6, jib 4, connecting piece 3, support base 2 and form stable structure and enable 5 stable support cast-in-place layers of template combination, avoid the phenomenon of running the mould.
Referring to fig. 6, 7 and 8, when a cast-in-place bridge floor 8 is poured, in order to ensure that the connecting piece 3 and the supporting base 2 can be disassembled, a secondary pouring area is formed at the joint of the supporting base 2 and the connecting piece 3, the integral hanging formwork structure is poured after the connecting piece 3 is disassembled after being used, a complete bridge floor can be formed, the disassembly is convenient, in order to ensure the structural strength, the supporting base 2 can be made of 16# I-steel, the load transmitted by the hanging beam 6 is transmitted to the box girder 1, the bottom of the box girder 1 is welded with the flange plate of the box girder 1, the connecting piece 3 can be made of 10# I-steel and a connecting plate, the connecting plate is used for supporting the base 2 and the hanging beam 6, the hanging beam 6 can be made of double-spliced 8# channel steel by welding, the double-spliced connection is realized, the integral structural strength is high, the disassembly is convenient, in order to conveniently form the secondary pouring area, the reinforcement can be dismantled and be connected with interim template 7, the reinforcement not only increases junction intensity and can conveniently set up interim template 7, or, connecting piece 3 can be dismantled or articulated to be connected with interim template 7, can let interim template 7 set up and pour district and separation at the secondary, make things convenient for pouring in secondary pouring district, and when connecting piece 3 articulates there is interim template 7, interim template 7 can directly follow connecting piece 3 and circulate, and convenient and reliable, and can in figure 8, connecting piece 3 fixedly connected with canned paragraph, interim template 7 articulates on the canned paragraph, and interim template 7 is equipped with the bayonet socket of sealed support base 2 and connecting piece 3 junction, make things convenient for breaking away from between support base 2 and the connecting piece 3, the material and the shape of interim template 7 can change according to the requirement in secondary pouring district.
The connecting piece 3 and the hanging beam 6 can be detachably connected, and can be conveniently detached and stably connected.
Referring to fig. 4 and 5, the formwork assembly 5 includes a main ridge 51 connected to the hanger rod 4 and a secondary ridge 52 disposed on the main ridge 51 along a direction, the secondary ridge 52 is provided with a bottom formwork 53 flush with the upper surface of the box girder 1, which facilitates casting, the secondary ridges 52 arranged at the head and the tail are located at the connection position of the bottom formwork 53 and the box girder 1, the main ridge 51 can be a double-spliced 8# channel steel, which is welded for double-splicing, the overall structural strength is high and is convenient to detach, the difference in length can be distinguished compared with the hanger beam 6, the secondary ridge 52 includes a square beam 521 and a C-shaped steel 522 disposed at the periphery 521 of the square beam 521, the structural strength of the secondary ridge 52 can be greatly increased by the cooperation of the C-shaped steel 522 at the periphery of the square beam 521, the distance between the secondary ridges 52 can be increased, the number of the secondary ridges 52 can be reduced, the arrangement is convenient, and a gap can be left between the bottom formwork 53 and the square beam through the fixing member 521, the bottom form 53 may be plywood for easy fixation.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The utility model provides a cast-in-place decking assembled hangs mode structure which characterized in that: including support base (2) of fixed connection on case roof beam (1), support base (2) on can dismantle and be connected with connecting piece (3), connecting piece (3) on be equipped with hanging beam (6), hanging beam (6) on be equipped with two piece at least jib (4), still including hoisting template combination (5) on jib (4), template combination (5) be located between adjacent case roof beam (1) or case roof beam (1) the end of encorbelmenting.
2. The cast-in-place bridge deck assembled suspended form structure of claim 1, wherein: the hanger rod (4) is sleeved with a sheath (41).
3. The cast-in-place bridge deck assembled suspended form structure of claim 1, wherein: template combination (5) including the stupefied (51) of owner of being connected with jib (4) and along the inferior stupefied (52) of direction setting on main stupefied (51), inferior stupefied (52) on be equipped with bottom form (53) with case roof beam (1) upper surface parallel and level.
4. The cast-in-place bridge deck assembled suspended formwork structure of claim 3, wherein: the secondary ridges (52) arranged at the head and the tail are positioned at the connecting part of the bottom template (53) and the box girder (1).
5. The cast-in-place bridge deck assembled suspended formwork structure of claim 4, wherein: the secondary beam (52) comprises square timber (521) and C-shaped steel (522) arranged on the periphery of the square timber (521).
6. The cast-in-place bridge deck assembled suspended form structure of claim 1, wherein: the connecting piece (3) is detachably connected with the hanging beam (6).
7. The cast-in-place bridge deck assembled suspended form structure of claim 1, wherein: the supporting base (2) and the connecting piece (3) are connected through a reinforcing piece, and the reinforcing piece is detachably connected with a temporary template (6).
8. The cast-in-place bridge deck assembled suspended form structure of claim 1, wherein: the connecting piece (3) is detachably connected or hinged with a temporary template (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010935455.8A CN112064510A (en) | 2020-09-08 | 2020-09-08 | Cast-in-place decking assembled hangs mode structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010935455.8A CN112064510A (en) | 2020-09-08 | 2020-09-08 | Cast-in-place decking assembled hangs mode structure |
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| Publication Number | Publication Date |
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| CN112064510A true CN112064510A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010935455.8A Pending CN112064510A (en) | 2020-09-08 | 2020-09-08 | Cast-in-place decking assembled hangs mode structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235438A (en) * | 2021-05-18 | 2021-08-10 | 中交第二航务工程局有限公司 | Pouring construction tool and construction method for steel-concrete composite beam bridge deck |
| CN113585075A (en) * | 2021-07-07 | 2021-11-02 | 中建八局第四建设有限公司 | Cast-in-place bridge deck formwork for steel-concrete composite beam |
| CN115324325A (en) * | 2022-07-14 | 2022-11-11 | 晟通科技集团有限公司 | Connecting mechanism and template system |
| CN115538678A (en) * | 2022-10-25 | 2022-12-30 | 广东科能工程管理有限公司 | Construction method for large-angle overhanging landscape platform side small platform |
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| JPH08199510A (en) * | 1995-01-20 | 1996-08-06 | P S Co Ltd | Execution method of cast-in-place floor slab section of precast concrete girder and form thereof |
| CN203188121U (en) * | 2013-03-01 | 2013-09-11 | 浙江省交通工程建设集团有限公司 | Cast-in-place bridge floor suspending mold of half-through or through arch bridge |
| CN106013781A (en) * | 2016-07-18 | 2016-10-12 | 广州建筑股份有限公司 | Slab supporting construction method and construction device by reversely suspending template |
| CN107761571A (en) * | 2017-10-30 | 2018-03-06 | 中铁二十四局集团安徽工程有限公司 | Needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system and its application |
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| CN207739159U (en) * | 2017-12-28 | 2018-08-17 | 中铁二局集团有限公司 | A kind of cantilevered out section of template system of cast-in-place floorings |
| CN110777665A (en) * | 2019-11-08 | 2020-02-11 | 广州市第三市政工程有限公司 | Construction method of cast-in-situ box girder skylight supporting template |
| CN111364370A (en) * | 2020-04-02 | 2020-07-03 | 北京正和恒基滨水生态环境治理股份有限公司 | Cast-in-place box girder support construction process |
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2020
- 2020-09-08 CN CN202010935455.8A patent/CN112064510A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08199510A (en) * | 1995-01-20 | 1996-08-06 | P S Co Ltd | Execution method of cast-in-place floor slab section of precast concrete girder and form thereof |
| CN203188121U (en) * | 2013-03-01 | 2013-09-11 | 浙江省交通工程建设集团有限公司 | Cast-in-place bridge floor suspending mold of half-through or through arch bridge |
| CN106013781A (en) * | 2016-07-18 | 2016-10-12 | 广州建筑股份有限公司 | Slab supporting construction method and construction device by reversely suspending template |
| CN107761571A (en) * | 2017-10-30 | 2018-03-06 | 中铁二十四局集团安徽工程有限公司 | Needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system and its application |
| CN108086674A (en) * | 2017-11-15 | 2018-05-29 | 上海建工五建集团有限公司 | A kind of roof boarding hangs the construction method of mould and roof boarding |
| CN207739159U (en) * | 2017-12-28 | 2018-08-17 | 中铁二局集团有限公司 | A kind of cantilevered out section of template system of cast-in-place floorings |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235438A (en) * | 2021-05-18 | 2021-08-10 | 中交第二航务工程局有限公司 | Pouring construction tool and construction method for steel-concrete composite beam bridge deck |
| CN113585075A (en) * | 2021-07-07 | 2021-11-02 | 中建八局第四建设有限公司 | Cast-in-place bridge deck formwork for steel-concrete composite beam |
| CN115324325A (en) * | 2022-07-14 | 2022-11-11 | 晟通科技集团有限公司 | Connecting mechanism and template system |
| CN115324325B (en) * | 2022-07-14 | 2024-01-12 | 晟通科技集团有限公司 | Coupling mechanism and template system |
| CN115538678A (en) * | 2022-10-25 | 2022-12-30 | 广东科能工程管理有限公司 | Construction method for large-angle overhanging landscape platform side small platform |
| CN115538678B (en) * | 2022-10-25 | 2023-08-15 | 广东科能工程管理有限公司 | Construction method for small side surface platform of large-angle overhanging view platform |
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